+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-
-
-#ifndef CEPH_MOSDPGLOG_H
-#define CEPH_MOSDPGLOG_H
-
-#include "msg/Message.h"
-
-class MOSDPGLog : public Message {
-
- static const int HEAD_VERSION = 5;
- static const int COMPAT_VERSION = 2;
-
- epoch_t epoch = 0;
- /// query_epoch is the epoch of the query being responded to, or
- /// the current epoch if this is not being sent in response to a
- /// query. This allows the recipient to disregard responses to old
- /// queries.
- epoch_t query_epoch = 0;
-
-public:
- shard_id_t to;
- shard_id_t from;
- pg_info_t info;
- pg_log_t log;
- pg_missing_t missing;
- PastIntervals past_intervals;
-
- epoch_t get_epoch() const { return epoch; }
- spg_t get_pgid() const { return spg_t(info.pgid.pgid, to); }
- epoch_t get_query_epoch() const { return query_epoch; }
-
- MOSDPGLog() : Message(MSG_OSD_PG_LOG, HEAD_VERSION, COMPAT_VERSION) {
- set_priority(CEPH_MSG_PRIO_HIGH);
- }
- MOSDPGLog(shard_id_t to, shard_id_t from, version_t mv, pg_info_t& i)
- : Message(MSG_OSD_PG_LOG, HEAD_VERSION, COMPAT_VERSION),
- epoch(mv), query_epoch(mv),
- to(to), from(from),
- info(i) {
- set_priority(CEPH_MSG_PRIO_HIGH);
- }
- MOSDPGLog(shard_id_t to, shard_id_t from,
- version_t mv, pg_info_t& i, epoch_t query_epoch)
- : Message(MSG_OSD_PG_LOG, HEAD_VERSION, COMPAT_VERSION),
- epoch(mv), query_epoch(query_epoch),
- to(to), from(from),
- info(i) {
- set_priority(CEPH_MSG_PRIO_HIGH);
- }
-
-private:
- ~MOSDPGLog() override {}
-
-public:
- const char *get_type_name() const override { return "PGlog"; }
- void print(ostream& out) const override {
- // NOTE: log is not const, but operator<< doesn't touch fields
- // swapped out by OSD code.
- out << "pg_log(" << info.pgid << " epoch " << epoch
- << " log " << log
- << " pi " << past_intervals
- << " query_epoch " << query_epoch << ")";
- }
-
- void encode_payload(uint64_t features) override {
- ::encode(epoch, payload);
- ::encode(info, payload);
- ::encode(log, payload);
- ::encode(missing, payload);
- ::encode(query_epoch, payload);
- if (HAVE_FEATURE(features, SERVER_LUMINOUS)) {
- header.version = HEAD_VERSION;
- ::encode(past_intervals, payload);
- } else {
- header.version = 4;
- past_intervals.encode_classic(payload);
- }
- ::encode(to, payload);
- ::encode(from, payload);
- }
- void decode_payload() override {
- bufferlist::iterator p = payload.begin();
- ::decode(epoch, p);
- ::decode(info, p);
- log.decode(p, info.pgid.pool());
- missing.decode(p, info.pgid.pool());
- if (header.version >= 2) {
- ::decode(query_epoch, p);
- }
- if (header.version >= 3) {
- if (header.version >= 5) {
- ::decode(past_intervals, p);
- } else {
- past_intervals.decode_classic(p);
- }
- }
- if (header.version >= 4) {
- ::decode(to, p);
- ::decode(from, p);
- } else {
- to = shard_id_t::NO_SHARD;
- from = shard_id_t::NO_SHARD;
- }
- }
-};
-
-#endif